Uberon definition : A cartilaginous ridge within the trachea that runs anteroposteriorly between the two
primary bronchi at the site of the tracheal bifurcation at the lower end of the trachea.;
A cartilaginous ridge within the trachea that runs anteroposteriorly between the two
primary bronchi at the site of the tracheal bifurcation at the lower end of the trachea.